In this lesson, learners will discover how certain snakes (pit-vipers) can find prey using a natural infrared sensor and will extend their understandings by exploring infrared technology applications. The lesson features background information for...(View More) the teacher, pre-requisite skills and knowledge for the student, a mini-exploration of infrared image technology, multiple image sets, assessment information, student worksheets, extension and transfer activities, and additional resources. This is lesson 2 on the Infrared Zoo website.(View Less)